3n+12=6n+3

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Solution for 3n+12=6n+3 equation: 



3n+12=6n+3

We move all terms to the left:

3n+12-(6n+3)=0

We get rid of parentheses

3n-6n-3+12=0

We add all the numbers together, and all the variables

-3n+9=0

We move all terms containing n to the left, all other terms to the right

-3n=-9

n=-9/-3

n=+3

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